4(7+r)=28

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Solution for 4(7+r)=28 equation: 



4(7+r)=28

We move all terms to the left:

4(7+r)-(28)=0

We add all the numbers together, and all the variables

4(r+7)-28=0

We multiply parentheses

4r+28-28=0

We add all the numbers together, and all the variables

4r=0

r=0/4

r=0

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